(CR35) [HIGH RISK REVOLUTION (あいざわひろし, 岩崎啓眞) THE REASON (天使のいない12月 December when there is no angel) , (CR35) [High Risk Revolution (Aizawa Hiroshi, Iwasaki Hiromasa)] The Reason (Tenshi no Inai 12-gatsu/December when there is no angel)